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# addingTimeInterval(_:)

Returns a new date object that is set to a given number of seconds relative to the receiver.

```
func addingTimeInterval(_ ti: TimeInterval) -> Self
```

## Parameters

`ti`

The number of seconds to add to the receiver. Use a negative value for seconds to have the returned object specify a date before the receiver.

## Return Value

A new `NSDate` object that is set to `seconds` seconds relative to the receiver. The date returned might have a representation different from the receiver’s.

## See Also

[`timeIntervalSince(_:)`](/documentation/Foundation/NSDate/timeIntervalSince(_:))

Returns the interval between the receiver and another given date.


---

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